Kt88 Tetrode Valve

Diameter - A measurement across a circle passing through the middle

Frequency - A term used to describe how often something is done

Frequency - A wave frequency is the number of times a wave repeats within a given time

Audio - Also known as sound. An audible vibration wave which can be heard.

Fidelity - Refers to the quality. Being faithful or loyal.

robust - An physical or metaphorical object which is well built or hard to destroy

Voltage - A measurement of volts.

Valve - An opening and closing to control the movement of fluid through pipes.

Popular - Something that is admired and liked by many people.

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